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Biodiversity

ICSE · Class 11 · Geography

Complete topic list for Biodiversity in ICSE Class 11 Geography. Key concepts, sub-topics, and what to focus on for board exams.

64 questions30 flashcards5 concepts

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3 Topics · ICSE Class 11 Geography

Topics in Biodiversity

1

Meaning and Definitions of Biodiversity

  • Biodiversity is the variety of life in the biosphere.
  • It includes plants, animals, micro-organisms, and humans.
  • The term biodiversity was first used by Lovejoy in 1980.
2

Types of Biodiversity

  • The three main types of biodiversity are genetic biodiversity, species biodiversity, and ecosystem diversity.
  • Genetic biodiversity refers to the genetic make-up of a species.
  • Genetic diversity within a species is expressed by sub-species, races, varieties, and forms.
3

Reasons for Valuing and Conserving Biodiversity

  • Biodiversity must be conserved because ecology and biodiversity are being degraded.
  • There are four reasons for valuing and conserving biodiversity: ethical, moral, economic, and aesthetic.
  • Ethical considerations are based on the idea that humans are bound to protect all forms of life.

Key Concepts

Central concept: Biodiversity means the variety of life in the biosphere

Meaning of biodiversityHistory of the termDefinitions of biodiversityTypes of biodiversityGenetic biodiversitySpecies biodiversityEcosystem diversityReasons for conserving biodiversity

Frequently Asked Questions

What are the important topics in Biodiversity for ICSE Class 11 Geography?
Biodiversity covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Biodiversity — ICSE Class 11 Geography?
Understand the core concepts first, then work through the 64 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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